/***************************************************************************

Copyright (c) Microsoft Corporation. All rights reserved.
This code is licensed under the Visual Studio SDK license terms.
THIS CODE IS PROVIDED *AS IS* WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESS OR IMPLIED, INCLUDING ANY
IMPLIED WARRANTIES OF FITNESS FOR A PARTICULAR
PURPOSE, MERCHANTABILITY, OR NON-INFRINGEMENT.

***************************************************************************/

namespace Microsoft.VsSDK.IntegrationTestLibrary
{
  using System;
  using System.Collections.Generic;
  using System.Text;
  using System.Runtime.InteropServices;
  using System.Threading;
  using Microsoft.VisualStudio.Shell.Interop;

  /// <summary>
  /// Defines pinvoked utility methods and internal VS Constants
  /// </summary>
  internal static class NativeMethods
  {
    internal delegate bool CallBack(IntPtr hwnd, IntPtr lParam);

    // Declare two overloaded SendMessage functions
    [DllImport("user32.dll")]
    internal static extern UInt32 SendMessage(IntPtr hWnd, UInt32 Msg,
        UInt32 wParam, IntPtr lParam);

    [DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
    internal static extern bool PeekMessage([In, Out] ref Microsoft.VisualStudio.OLE.Interop.MSG msg, HandleRef hwnd, int msgMin, int msgMax, int remove);

    [DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
    internal static extern bool TranslateMessage([In, Out] ref Microsoft.VisualStudio.OLE.Interop.MSG msg);

    [DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
    internal static extern int DispatchMessage([In] ref Microsoft.VisualStudio.OLE.Interop.MSG msg);

    [DllImport("user32.dll", ExactSpelling = true, CharSet = CharSet.Auto)]
    internal static extern int MsgWaitForMultipleObjects(int nCount, int pHandles, bool fWaitAll, int dwMilliseconds, int dwWakeMask);

    [DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
    internal static extern bool AttachThreadInput(uint idAttach, uint idAttachTo, bool attach);

    [DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
    internal static extern uint GetWindowThreadProcessId(IntPtr hWnd, out uint lpdwProcessId);

    [DllImport("kernel32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
    internal static extern uint GetCurrentThreadId();

    [DllImport("user32")]
    internal static extern int EnumChildWindows(IntPtr hwnd, CallBack x, IntPtr y);

    [DllImport("user32")]
    internal static extern bool IsWindowVisible(IntPtr hDlg);

    [DllImport("user32.dll", CharSet = System.Runtime.InteropServices.CharSet.Auto)]
    internal static extern IntPtr SetFocus(IntPtr hWnd);

    [DllImport("user32")]
    internal static extern int GetClassName(IntPtr hWnd,
                                           StringBuilder className,
                                           int stringLength);
    [DllImport("user32")]
    internal static extern int GetWindowText(IntPtr hWnd, StringBuilder className, int stringLength);


    [DllImport("user32")]
    internal static extern bool EndDialog(IntPtr hDlg, int result);

    [DllImport("Kernel32")]
    internal static extern long GetLastError();

    internal const int QS_KEY = 0x0001,
                    QS_MOUSEMOVE = 0x0002,
                    QS_MOUSEBUTTON = 0x0004,
                    QS_POSTMESSAGE = 0x0008,
                    QS_TIMER = 0x0010,
                    QS_PAINT = 0x0020,
                    QS_SENDMESSAGE = 0x0040,
                    QS_HOTKEY = 0x0080,
                    QS_ALLPOSTMESSAGE = 0x0100,
                    QS_MOUSE = QS_MOUSEMOVE | QS_MOUSEBUTTON,
                    QS_INPUT = QS_MOUSE | QS_KEY,
                    QS_ALLEVENTS = QS_INPUT | QS_POSTMESSAGE | QS_TIMER | QS_PAINT | QS_HOTKEY,
                    QS_ALLINPUT = QS_INPUT | QS_POSTMESSAGE | QS_TIMER | QS_PAINT | QS_HOTKEY | QS_SENDMESSAGE;

    internal const int Facility_Win32 = 7;

    internal const int WM_CLOSE = 0x0010;

    internal const int
                   S_FALSE = 0x00000001,
                   S_OK = 0x00000000,

                   IDOK = 1,
                   IDCANCEL = 2,
                   IDABORT = 3,
                   IDRETRY = 4,
                   IDIGNORE = 5,
                   IDYES = 6,
                   IDNO = 7,
                   IDCLOSE = 8,
                   IDHELP = 9,
                   IDTRYAGAIN = 10,
                   IDCONTINUE = 11;

    internal static long HResultFromWin32(long error)
    {
      if (error <= 0)
      {
        return error;
      }

      return ((error & 0x0000FFFF) | (Facility_Win32 << 16) | 0x80000000);
    }

    /// <devdoc>
    /// Please use this "approved" method to compare file names.
    /// </devdoc>
    public static bool IsSamePath(string file1, string file2)
    {
      if (file1 == null || file1.Length == 0)
      {
        return (file2 == null || file2.Length == 0);
      }

      Uri uri1 = null;
      Uri uri2 = null;

      try
      {
        if (!Uri.TryCreate(file1, UriKind.Absolute, out uri1) || !Uri.TryCreate(file2, UriKind.Absolute, out uri2))
        {
          return false;
        }

        if (uri1 != null && uri1.IsFile && uri2 != null && uri2.IsFile)
        {
          return 0 == String.Compare(uri1.LocalPath, uri2.LocalPath, StringComparison.OrdinalIgnoreCase);
        }

        return file1 == file2;
      }
      catch (UriFormatException e)
      {
        System.Diagnostics.Trace.WriteLine("Exception " + e.Message);
      }

      return false;
    }

  }
}
